[Soekris] How to drive external relays?

[Michael Stone]

On Fri, Sep 08, 2006 at 03:24:32PM +0000, Poul-Henning Kamp wrote:
>A bistable relay works like many push buttons do, first time you
>push it switches to on, second time it switches to off, etc.
>
>The advantage to these is that they retain the contact position
>even if the controlling equipment looses power and they use
>less power themselves because the coil is only energized when
>you want to change the position.

How do you get it to a known state?

Mike Stone